body {
    margin: 0px;
    padding: 0px;
    background-color: #F5F5F5;
}
#add-container{
    width: 800px;
    height: 1050px;
    background-color: white;
    border-radius: 15px;
    margin: auto;
}
#add-top-left {
    width: 200px;
    height: 130px;
    background-color: ghostwhite;
    float: left;
}
h2{
    font-size: 30px;
    margin-top: 45px;
    margin-left: 15px;
}
#add-top-right{
    width: 600px;
    height: 130px;
    background-color: ghostwhite;
    float: left;
}
h4{
    margin-top: 95px;
    margin-left: 400px;
}
h4 a {
    color: #53A4F4;
    text-decoration: none;
}
#add-content{
    width: 800px;
    height: 870px;
    float: left;
}
h3{
    font-weight: bold;
    text-align: center;
}
#table{
    margin-top: 30px;
}
form table{
    line-height: 30px;
    border-collapse: collapse;
    margin: auto;
}
table tr td{
    width: 150px;
    border: 1px solid #A8A8A8;
}
#question_id{
    width: 300px;
    height: 35px;
    border: 1px solid;
    border-radius: 5px;
    margin-top: 30px;
    margin-bottom: 30px;
    margin-left: 40px;
}
#title{
    width: 300px;
    height: 35px;
    border: 1px solid;
    border-radius: 5px;
    margin-top: 30px;
    margin-bottom: 30px;
    margin-left: 40px;
}
#content{
    margin-top: 30px;
    margin-bottom: 30px;
    margin-left: 40px;
}
.text{
    width: 300px;
    height: 35px;
    border: 1px solid;
    border-radius: 5px;
    margin-top: 10px;
    margin-bottom: 10px;
}
/* 提交按钮 */
#save_btn{
    width: 100px;
    height: 45px;
    color: white;
    margin-left: 350px;
    background-color: #53A4F4;
    border: 1px solid;
    border-radius: 4px;
    margin-top: 15px;
}